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Crontab Day of the Week syntax
... Sunday)
↓ ↓ ↓ ↓ ↓
* * * * * command to be executed
Finally, if you want to specify day by day, you can separate days with commas, for example SUN,MON,THU will exectute the command only on sundays, mondays on thursdays.
You can read further details in Wikipedia's article about Cron.
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How do I convert from BLOB to TEXT in MySQL?
...'t work. The charset needs to be utf16 or else it will result in data loss if it encounters a set of bytes that can't be converted to utf8. It will replace those bytes with a ? character resulting in data loss.
– Dean Or
Aug 12 '19 at 20:21
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How to fix “ImportError: No module named …” error in Python?
...nt then of having init.py in the root folder? It seems to serve no purpose if you edit either sys.path or the pythonpath.
– user1980175
Jan 4 '14 at 23:13
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Preserve HTML font-size when iPhone orientation changes from portrait to landscape
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As snobojohan notes you can wrap this in a landscape-specific media query to preserve the ability to increase the font size on desktop browsers. This is not necessary on iOS-targeted pages where pinch zooming will work regardless.
– Matt Stevens
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PHP - Debugging Curl
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When CURLOPT_VERBOSE is set, output is written to STDERR or the file specified using CURLOPT_STDERR. The output is very informative.
You can also use tcpdump or wireshark to watch the network traffic.
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Can a program depend on a library during compilation but not runtime?
I understand the difference between runtime and compile-time and how to differentiate between the two, but I just don't see the need to make a distinction between compile-time and runtime dependencies .
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Piping both stdout and stderr in bash?
It seems that newer versions of bash have the &> operator, which (if I understand correctly), redirects both stdout and stderr to a file ( &>> appends to the file instead, as Adrian clarified).
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When to use enumerateObjectsUsingBlock vs. for
Besides the obvious differences:
6 Answers
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How to pass an ArrayList to a varargs method parameter?
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This will not work without a warning if there are further templates involved. E.g. someMethod(someList.toArray(new ArrayList<Something>[someList.size()])) will give you a warning that is very annoying if the function is more than a few lines long (because ...
Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)
...n't a pretty sight.
Try drawing a dependency graph of a hypothetical "OOP-ified" STL. How many classes would have to know about each others? There would be a lot of dependencies. Would you be able to include just the vector header, without also getting iterator or even iostream pulled in? The STL m...